CN214603215U

CN214603215U - Adjustable fixture for drill bit machining

Info

Publication number: CN214603215U
Application number: CN202120783332.7U
Authority: CN
Inventors: 刘阳河
Original assignee: Changzhou Sizhi Xingrui Precision Machinery Co ltd
Current assignee: Changzhou Sizhi Xingrui Precision Machinery Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-05
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses an adjustable fixture for drill bit processing, which comprises a base, a supporting seat and a pressing component; the supporting seat is connected to the base in a sliding manner; the supporting seat comprises a bottom plate and a side plate; the two side plates are fixed on the two opposite sides of the bottom plate; at least two arc through grooves with different sizes are arranged on the surface of the bottom plate side by side; the side plates are provided with placing through holes which correspond to the arc-shaped through grooves one by one; the pressing component is connected to the base in a sliding manner; the pressing assembly comprises a gantry, a pressing threaded rod and a pressing plate; the gantry spans the supporting seat; the pressing threaded rod is in threaded connection with the gantry, and one end of the pressing threaded rod is connected with the pressing plate; after the drill bit is arranged in the arc-shaped through groove and the through hole, the compressing assembly compresses the drill bit, so that the stability of clamping of the drill bit is ensured; the drill bits of different diameters correspond to the arc-shaped through grooves of different diameters, the supporting seat is connected with the base in a sliding mode, the center of a circle of an original through hole and the center of a circle of a currently placed through hole can be coincided after the supporting seat is moved, and therefore the drill bit is guaranteed to be fixed in a clamping position, and subsequent processing is facilitated.

Description

Adjustable fixture for drill bit machining

Technical Field

The utility model relates to a technical field of drill bit processing especially relates to an anchor clamps with adjustable drill bit processing is used.

Background

The drill is a tool for drilling through holes or blind holes in solid materials and reaming existing holes. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills. The drill bit plays an important role in the actual production and processing process, and is very critical to the punching processing of products.

In the production process of the drill bit, secondary processing treatment is often required to be carried out on the processed drill bit rough blank, and the clamping requirement on the drill bit is high in the secondary processing process, so that the drill bit needs to be clamped by using a corresponding clamp; however, the existing clamp is not suitable for clamping drill bits with multiple sizes or unstable in clamping, and subsequent processing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: provided is an adjustable jig for drill processing, which can be applied to stable clamping of drill bits of a plurality of sizes.

In order to solve the main technical problems, the following technical scheme is adopted:

an adjustable fixture for drill bit processing comprises a base, a supporting seat and a pressing assembly; the supporting seat is connected to the base in a sliding manner; the supporting seat comprises a bottom plate and a side plate; the two side plates are fixed on two opposite sides of the bottom plate; in the sliding direction of the supporting seat, at least two arc-shaped through grooves with different sizes are arranged on the surface of the bottom plate side by side; the side plates are provided with placing through holes which correspond to the arc-shaped through grooves one by one, so that one end of a drill bit is inserted into the placing through holes and then placed in the arc-shaped through grooves; the pressing assembly is connected to the base in a sliding mode and can slide back and forth between the two side plates; the pressing assembly comprises a gantry, a pressing threaded rod and a pressing plate; the gantry spans the supporting seat and is connected to the base in a sliding manner; the pressing threaded rod is connected with the gantry through threads, and one end of the pressing threaded rod is connected with the pressing plate.

Preferably, the arc-shaped through groove extends for 180 degrees; the top surface of the bottom plate is flush with the circle center of the through hole.

Preferably, two first guide rails with sliding directions perpendicular to the side plates are arranged between the two side plates, and the two first guide rails are respectively positioned on two opposite sides of the base and close to the edge of the base; the both ends of portal set up sliding connection and just take locking function's first slider at first guide rail.

Preferably, the base is provided with a second guide rail, the sliding direction of which is parallel to the length extending direction of the side plate; the supporting seat is provided with a second sliding block which is connected with a second guide rail in a sliding manner;

preferably, two groups of the second guide rails are arranged below the two side plates respectively; the second guide rail is embedded in the base, and the top surface of the second guide rail is flush with the surface of the base.

Preferably, a locking piece capable of inhibiting the support seat from sliding is arranged on the base; threaded blind holes which are in one-to-one correspondence with the arc-shaped through grooves are formed in the surface, away from the arc-shaped through grooves, of the supporting seat; the locking member is a locking bolt; the locking bolt is in threaded connection with the base, and one end of the locking bolt can be screwed into the threaded blind hole.

Preferably, the end of the base, which faces away from the supporting seat, is provided with a mounting leg.

Compared with the prior art, the utility model discloses be applied to the drill bit and add the instrument and be equipped with following advantage:

(1) after the drill bit is arranged in the arc-shaped through groove and the through hole, the compressing assembly compresses the drill bit, so that the stability of clamping of the drill bit is ensured; the drill bits of different diameters correspond to the arc-shaped through grooves of different diameters, the supporting seat is connected with the base in a sliding mode, the center of a circle of an original through hole and the center of a circle of a currently placed through hole can be coincided after the supporting seat is moved, and therefore the drill bit is guaranteed to be fixed in a clamping position, and subsequent processing is facilitated.

(2) The pressure strip can slide along with the sliding of the first sliding block, so that the distance between the pressure strip and the side plate is changed, and the pressure strip can be suitable for the clamping of drill bits with different lengths or the clamping of drill bits with different processing lengths.

(3) The setting of locking bolt can enough restrain the supporting seat and slide, can play the positioning action again to the clamping precision of drill bit has been guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is a schematic top view of the overall structure;

fig. 2 is a schematic sectional view taken along line a-a in fig. 1.

In the figure: 1 is the base, 11 is first guide rail, 12 is the second guide rail, 13 is the locking bolt, 14 is the installing leg, 2 is the supporting seat, 21 is the bottom plate, 22 is the curb plate, 23 is the arc through groove, 24 is for placing the through-hole, 25 is the second slider, 26 is the screw blind hole, 3 is for compressing tightly the subassembly, 31 is the portal, 32 is for compressing tightly the threaded rod, 33 is the pressure strip, 34 is first slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.

The first embodiment,

Referring to fig. 1-2, an adjustable fixture for drill processing includes a base 1, a supporting base 2, and a pressing assembly 3; the base 1 is used for connecting with other machining platforms or auxiliary platforms.

The supporting seat 2 is connected to the base 1 in a sliding manner; the supporting seat 2 comprises a bottom plate 21 and a side plate 22; the two side plates 22 are fixed on two opposite sides of the bottom plate 21, the side plates 22 are fixed on the side walls of the bottom plate 21, and the bottom surfaces of the side plates 22 are flush with the bottom surface of the bottom plate 21; the base 1 is provided with a second guide rail 12 of which the sliding direction is parallel to the length extending direction of the side plate 22; the second guide rail 12 is embedded in the base 1, the top surface of the second guide rail is flush with the upper surface of the base 1, and a second sliding block 25 connected to the second guide rail 12 in a sliding manner is arranged on the supporting seat 2; two groups of second guide rails 12 are arranged below the two side plates 22 respectively; the second guide rail 12 is close to the edge of the base 1.

In the length extending direction of the second guide rail 12, the surface of the bottom plate 21 is provided with at least two arc-shaped through grooves 23 which are different in size and are recessed downwards from the upper surface of the bottom plate 21 side by side; the arc-shaped through groove 23 extends to 180 degrees; the side plates 22 are provided with placing through holes 24 corresponding to the arc-shaped through grooves 23 one by one; the diameter of the through hole 24 is consistent with that of the arc-shaped through groove 23, and the central lines of the through hole and the arc-shaped through groove are positioned on the same straight line; the upper surface of the bottom plate 21 is also flush with the circle center of the placing through hole 24; one end of the drill bit is inserted into the through hole 24 and then placed in the arc-shaped through groove 23, and drill bits with different diameters are placed in the different arc-shaped through grooves 23.

The pressing component 3 is connected on the base 1 in a sliding way and can slide back and forth between the two side plates 22; the pressing assembly 3 comprises a door frame 31, a pressing threaded rod 32 and a pressing plate 33; the pressing threaded rod 32 is in threaded connection with the gantry 31, one end of the pressing threaded rod is connected with the pressing plate 33, and the pressing plate 33 has anti-skid performance; the screw rod 32 is pressed by forward rotation or reverse rotation, so that the pressing plate 33 presses downwards or releases the drill bit upwards; the gantry 31 spans the supporting seat 2 and is connected to the base 1 in a sliding manner; two first guide rails 11 with sliding directions perpendicular to the second guide rails 12 are arranged between the two side plates 22, and the two first guide rails 11 are respectively positioned on two opposite sides of the base 1 and are close to the edge of the base 1; two ends of the door frame 31 are provided with first sliding blocks 34 which are connected with the first guide rail 11 in a sliding manner and have a locking function; the arrangement of the first guide rail 11 does not interfere with the sliding of the support base 2; after the drill bit is arranged in the arc-shaped through groove 23, the pressing plate 33 moves downwards to press the drill bit, and the drill bit with different lengths can be suitable by moving the distance from the portal 31 to one side plate 22; when the drill bit is too long, one end of the drill bit is placed through the two side plates 22 and the through hole 24 is placed, and the gantry 31 can be stopped at any position so as to press the drill bit.

Example II,

Referring to fig. 1-2, the difference between the second embodiment and the first embodiment is that on the basis of retaining the first embodiment, a locking member capable of inhibiting the support base 2 from sliding is disposed on the base 1; the surface of the support seat 2, which is far away from the arc-shaped through groove 23, is provided with threaded blind holes 26 which are in one-to-one correspondence with the arc-shaped through groove 23, and the threaded blind holes 26 are positioned in the middle of the axis of the arc-shaped through groove 23; the locking member is a locking bolt 13; the locking bolt 13 is in threaded connection with the base 1, one end of the locking bolt extends out of the base 1 and is screwed into the threaded blind hole 26, the locking bolt 13 can inhibit the sliding of the supporting seat 2, and the position of the circle center of different arc-shaped through grooves 23 can be determined after the moving, so that the position accuracy after clamping is ensured, and the subsequent processing is facilitated; after the drill bit is arranged in the arc-shaped through groove 23 and the through hole 24, the pressing component 3 presses the drill bit, so that the stability of the drill bit clamping is ensured.

In order to facilitate the operation of the locking bolt 13, the end of the base 1 facing away from the supporting seat 2 is provided with a mounting leg 14, and the mounting leg 14 can mount the base 1 at a designated position.

The utility model discloses a working process does: fixing the mounting legs 14 on a designated operating platform, and inserting one end of a drill into the placing through hole 24 and placing the drill on the arc-shaped through groove 23 when the drill needs to be clamped; moving the first sliding block 34 and the portal frame 31 to enable the pressing plate 33 to be close to the end part of the drill bit, and rotating the pressing threaded rod 32 downwards to enable the pressing plate 33 to be tightly pressed on the surface of the drill bit, so that clamping is completed; when a drill bit of another size needs to be clamped, the locking bolt 13 is unscrewed, the locking bolt 13 deviates from the threaded blind hole 26, the supporting seat 2 is translated, the axis of the other arc-shaped through groove 23 is intersected with the extension line of the axis of the locking bolt 13, and the locking bolt 13 is rotated reversely at the moment, so that the locking bolt 13 is screwed into the threaded blind hole 26.

It should be noted that, in the present invention, "upper, lower, left, right, inner and outer" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of describing the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some of the technical features may be substituted by equivalent substitutions, modifications and the like, all of which are within the spirit and principle of the present invention.

Claims

1. The utility model provides a anchor clamps with adjustable drill bit processing which characterized in that: comprises a base, a supporting seat and a pressing component; the supporting seat is connected to the base in a sliding manner; the supporting seat comprises a bottom plate and a side plate; the two side plates are fixed on two opposite sides of the bottom plate; in the sliding direction of the supporting seat, at least two arc-shaped through grooves with different sizes are arranged on the surface of the bottom plate side by side; the side plates are provided with placing through holes which correspond to the arc-shaped through grooves one by one, so that one end of a drill bit is inserted into the placing through holes and then placed in the arc-shaped through grooves; the pressing assembly is connected to the base in a sliding mode and can slide back and forth between the two side plates; the pressing assembly comprises a gantry, a pressing threaded rod and a pressing plate; the gantry spans the supporting seat and is connected to the base in a sliding manner; the pressing threaded rod is connected with the gantry through threads, and one end of the pressing threaded rod is connected with the pressing plate.

2. The adjustable clamp for drill bit machining according to claim 1, wherein: the extension radian of the arc-shaped through groove is 180 degrees; the top surface of the bottom plate is flush with the circle center of the through hole.

3. The adjustable clamp for drill bit machining according to claim 1, wherein: two first guide rails with sliding directions perpendicular to the side plates are arranged between the two side plates, and the two first guide rails are respectively positioned on two opposite sides of the base and close to the edge of the base; the both ends of portal set up sliding connection and just take locking function's first slider at first guide rail.

4. The adjustable clamp for drill bit machining according to claim 1, wherein: a second guide rail with the sliding direction parallel to the length extending direction of the side plate is arranged on the base; and a second sliding block which is connected with the second guide rail in a sliding manner is arranged on the supporting seat.

5. The adjustable clamp for drill bit machining according to claim 4, wherein: two groups of second guide rails are arranged and are respectively positioned below the two side plates; the second guide rail is embedded in the base, and the top surface of the second guide rail is flush with the surface of the base.

6. The adjustable jig for drill processing according to any one of claims 1 to 5, wherein: a locking piece capable of inhibiting the supporting seat from sliding is arranged on the base; threaded blind holes which are in one-to-one correspondence with the arc-shaped through grooves are formed in the surface, away from the arc-shaped through grooves, of the supporting seat; the locking member is a locking bolt; the locking bolt is in threaded connection with the base, and one end of the locking bolt can be screwed into the threaded blind hole.

7. The adjustable clamp for drill bit machining according to claim 6, wherein: the end of the base, which deviates from the supporting seat, is provided with a mounting leg.